Seres Therapeutics, Inc.
MCRB- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001609809
In the last 90 days, Seres Therapeutics, Inc. insiders filed 0 open-market purchases and 4 sales; 35 institutions reported holding it in 13F filings for Q2 2026, worth $17.9M in total; no superinvestor holds it.
13F holders, Q4 2021
Institutional positions in Seres Therapeutics, Inc. as of Dec 31, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 148
- +17 vs. Q3 2021
- Shares held
- 77.2M
- −2.35M (−3.0%) vs. Q3 2021
- Total value
- $642.8M
- +$88.3M (+15.9%) vs. Q3 2021
- New holders
- 37
- 47 more added
- Sold out
- 20
- 40 more reduced
2 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2021: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting MCRB on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 35 | $17.9M |
| Q1 2026 | 33 | $20.5M |
| Q4 2025 | 36 | $36.4M |
| Q3 2025 | 32 | $40.9M |
| Q2 2025 | 33 | $25.4M |
| Q1 2025 | 63 | $43.1M |
| Q4 2024 | 69 | $52.5M |
| Q3 2024 | 77 | $60.1M |
| Q2 2024 | 93 | $50.0M |
| Q1 2024 | 99 | $66.3M |
| Q4 2023 | 103 | $125.4M |
| Q3 2023 | 134 | $255.6M |
| Q2 2023 | 138 | $538.1M |
| Q1 2023 | 123 | $593.9M |
| Q4 2022 | 124 | $588.2M |
| Q3 2022 | 120 | $671.6M |
| Q2 2022 | 123 | $312.7M |
| Q1 2022 | 131 | $537.2M |
| Q4 2021 | 148 | $642.8M |
| Q3 2021 | 133 | $555.1M |
| Q2 2021 | 147 | $1.93B |
| Q1 2021 | 154 | $1.85B |
Institutions, Q4 2021
Shares, value and share of portfolio for each institution holding Seres Therapeutics, Inc.; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Flagship Pioneering Inc. | 14,378,802 | $119.8M | 1.85% | 00.0% | Unchanged |
| FMR LLC | 13,777,070 | $114.8M | 0.01% | +19,285+0.1% | Added |
| Federated Hermes, Inc. | 6,914,136 | $57.6M | 0.11% | −267,964−3.7% | Reduced |
| BlackRock Inc. | 5,862,691 | $48.8M | 0.00% | +19,884+0.3% | Added |
| Janus Henderson Group PLC | 5,055,099 | $42.1M | 0.02% | +716,298+16.5% | Added |
| State Street Corp | 4,785,589 | $39.9M | 0.00% | −5,217,802−52.2% | Reduced |
| Vanguard Group Inc | 4,676,265 | $39.0M | 0.00% | +719,993+18.2% | Added |
| Jacobs Levy Equity Management, Inc | 1,290,297 | $10.7M | 0.07% | +1,290,297 | New |
| Millennium Management LLC | 1,264,486 | $10.5M | 0.01% | +976,368+338.9% | Added |
| Goldman Sachs Group Inc | 1,238,450 | $10.3M | 0.00% | +666,935+116.7% | Added |
| Geode Capital Management, LLC | 1,237,362 | $10.3M | 0.00% | +282,018+29.5% | Added |
| Ikarian Capital, LLC | 795,903 | $6.63M | 1.90% | +189,349+31.2% | Added |
| Nikko Asset Management Americas, Inc. | 785,519 | $6.57M | 0.03% | −89,404−10.2% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 785,519 | $6.54M | 0.00% | −89,404−10.2% | Reduced |
| Renaissance Technologies LLC | 746,500 | $6.22M | 0.01% | +746,500 | New |
| Northern Trust Corp | 738,155 | $6.15M | 0.00% | +56,680+8.3% | Added |
| Susquehanna International Group, LLP | 634,682 | $5.29M | 0.01% | +283,466+80.7% | Added |
| Price T Rowe Associates Inc | 560,564 | $4.67M | 0.00% | −799,959−58.8% | Reduced |
| Soviero Asset Management, LP | 550,000 | $4.58M | 1.08% | +550,000 | New |
| Morgan Stanley | 544,717 | $4.54M | 0.00% | −136,718−20.1% | Reduced |
| Lion Point Capital, LP | 481,803 | $4.01M | 1.32% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 470,292 | $3.92M | 0.00% | +4,409+0.9% | Added |
| Voloridge Investment Management, LLC | 431,885 | $3.60M | 0.02% | −377,496−46.6% | Reduced |
| HRT Financial LP | 405,995 | $3.38M | 0.02% | +405,995 | New |
| Citadel Advisors LLC | 395,732 | $3.30M | 0.00% | +300,526+315.7% | Added |
| Rafferty Asset Management, LLC | 329,981 | $2.75M | 0.01% | −166,983−33.6% | Reduced |
| Silverarc Capital Management, LLC | 320,602 | $2.67M | 1.20% | +45,769+16.7% | Added |
| Kynam Capital Management, LP | 304,901 | $2.54M | 1.36% | +304,901 | New |
| PDT Partners, LLC | 300,661 | $2.50M | 0.19% | −7,363−2.4% | Reduced |
| Cubist Systematic Strategies, LLC | 287,402 | $2.39M | 0.02% | −30,788−9.7% | Reduced |
| Deutsche Bank AG | 279,979 | $2.33M | 0.00% | +201,437+256.5% | Added |
| Citigroup Inc | 266,455 | $2.22M | 0.00% | −56,461−17.5% | Reduced |
| Barclays PLC | 261,699 | $2.18M | 0.00% | +213,765+446.0% | Added |
| Two Sigma Advisers, LP | 245,900 | $2.05M | 0.01% | −291,000−54.2% | Reduced |
| BNP Paribas Arbitrage, SA | 238,302 | $1.99M | 0.00% | +225,775+1,802.3% | Added |
| Nuveen Asset Management, LLC | 240,841 | $1.92M | 0.00% | −265,675−52.5% | Reduced |
| Bank of New York Mellon Corp | 220,619 | $1.84M | 0.00% | −53,531−19.5% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 217,968 | $1.82M | 0.01% | +169,987+354.3% | Added |
| Putnam Investments LLC | 209,297 | $1.74M | 0.00% | +209,297 | New |
| Jane Street Group, LLC | 156,187 | $1.30M | 0.00% | +74,833+92.0% | Added |
| Swiss National Bank | 150,800 | $1.26M | 0.00% | 00.0% | Unchanged |
| Qube Research & Technologies Ltd | 144,717 | $1.21M | 0.01% | +144,717 | New |
| Toronto Dominion Bank | 139,042 | $1.16M | 0.00% | +139,042 | New |
| Harvard Management Co Inc | 131,847 | $1.10M | 0.10% | 00.0% | Unchanged |
| Adage Capital Partners GP, L.L.C. | 125,000 | $1.04M | 0.00% | +125,000 | New |
| Engineers Gate Manager LP | 123,498 | $1.03M | 0.05% | +101,998+474.4% | Added |
| Bank of America Corp | 123,208 | $1.03M | 0.00% | −125,117−50.4% | Reduced |
| Marshall Wace, LLP | 123,005 | $1.02M | 0.00% | −108,945−47.0% | Reduced |
| Graham Capital Management, L.P. | 109,414 | $911.0K | 0.05% | +109,414 | New |
| Alps Advisors Inc | 106,289 | $885.0K | 0.01% | −6,125−5.4% | Reduced |
| Hudson Bay Capital Management LP | 100,000 | $833.0K | 0.01% | −370,000−78.7% | Reduced |
| STRS Ohio | 98,700 | $822.0K | 0.00% | +98,700 | New |
| California State Teachers Retirement System | 96,007 | $800.0K | 0.00% | +2,007+2.1% | Added |
| Russell Investments Group, Ltd. | 94,125 | $782.0K | 0.00% | +75,825+414.3% | Added |
| State of Wisconsin Investment Board | 90,100 | $751.0K | 0.00% | 00.0% | Unchanged |
| Oregon Public Employees Retirement Fund | 89,274 | $744.0K | 0.01% | 00.0% | Unchanged |
| Boothbay Fund Management, LLC | 88,331 | $736.0K | 0.02% | +27,234+44.6% | Added |
| ExodusPoint Capital Management, LP | 87,825 | $732.0K | 0.01% | +87,825 | New |
| Credit Suisse AG | 83,053 | $692.0K | 0.00% | +36,599+78.8% | Added |
| Rhumbline Advisers | 82,746 | $689.0K | 0.00% | +1,179+1.4% | Added |
| Panagora Asset Management Inc | 81,199 | $676.0K | 0.00% | +81,199 | New |
| Atom Investors LP | 81,093 | $676.0K | 0.19% | +81,093 | New |
| UBS Asset Management Americas Inc | 80,614 | $671.5K | 0.00% | −350,085−81.3% | Reduced |
| Susquehanna Fundamental Investments, LLC | 79,046 | $658.0K | 0.02% | +79,046 | New |
| Alliancebernstein L.P. | 76,400 | $636.0K | 0.00% | −59,000−43.6% | Reduced |
| American Century Companies Inc | 75,220 | $627.0K | 0.00% | +75,220 | New |
| Edgewood Management LLC | 70,000 | $583.0K | 0.00% | +10,000+16.7% | Added |
| DekaBank Deutsche Girozentrale | 67,000 | $577.0K | 0.00% | +2,000+3.1% | Added |
| Two Sigma Investments, LP | 66,549 | $554.0K | 0.00% | −932,867−93.3% | Reduced |
| Los Angeles Capital Management LLC | 66,546 | $554.0K | 0.00% | −216−0.3% | Reduced |
| Sit Investment Associates Inc | 62,450 | $520.0K | 0.01% | 00.0% | Unchanged |
| Group One Trading, L.P. | 56,753 | $473.0K | 0.01% | +29,756+110.2% | Added |
| Trexquant Investment LP | 55,836 | $465.0K | 0.03% | +38,094+214.7% | Added |
| Hennion & Walsh Asset Management, Inc. | 55,631 | $463.0K | 0.02% | +3,475+6.7% | Added |
| Gyon Technologies Capital Management, LP | 54,103 | $451.0K | 0.08% | +54,103 | New |
| New York State Common Retirement Fund | 49,856 | $415.0K | 0.00% | +11,449+29.8% | Added |
| HarbourVest Partners LLC | 49,363 | $411.0K | 0.05% | 00.0% | Unchanged |
| AQR Capital Management LLC | 46,299 | $386.0K | 0.00% | −47,033−50.4% | Reduced |
| LPL Financial LLC | 45,901 | $382.0K | 0.00% | +3,878+9.2% | Added |
| Janney Montgomery Scott LLC | 43,300 | $361.0K | 0.00% | +16,600+62.2% | Added |
| Parametric Portfolio Associates LLC | 43,156 | $359.0K | 0.00% | −27,042−38.5% | Reduced |
| American International Group, Inc. | 36,988 | $308.0K | 0.00% | −1,106−2.9% | Reduced |
| Manufacturers Life Insurance Company, The | 37,022 | $308.0K | 0.00% | −951−2.5% | Reduced |
| JPMorgan Chase & Co | 35,864 | $300.0K | 0.00% | −569,573−94.1% | Reduced |
| Corton Capital Inc. | 34,901 | $291.0K | 0.13% | +34,901 | New |
| Virtu Financial LLC | 34,422 | $287.0K | 0.03% | +34,422 | New |
| Royal Bank of Canada | 33,636 | $280.0K | 0.00% | +27,695+466.2% | Added |
| Wells Fargo & Company | 33,037 | $275.0K | 0.00% | −22,122−40.1% | Reduced |
| Invesco Ltd. | 31,729 | $264.0K | 0.00% | −8,520−21.2% | Reduced |
| Tower Research Capital LLC (TRC) | 31,742 | $264.0K | 0.00% | −3,434−9.8% | Reduced |
| Ensign Peak Advisors, Inc | 30,780 | $256.0K | 0.00% | +30,780 | New |
| Manteio Capital LLC | 29,985 | $250.0K | 0.32% | +29,985 | New |
| D. E. Shaw & Co., Inc. | 29,132 | $243.0K | 0.00% | +12,944+80.0% | Added |
| Legal & General Group Plc | 29,110 | $242.0K | 0.00% | +36+0.1% | Added |
| State Board of Administration of Florida Retirement System | 28,998 | $242.0K | 0.00% | 00.0% | Unchanged |
| Erste Asset Management GmbH | 27,000 | $235.4K | 0.00% | 00.0% | Unchanged |
| ProShare Advisors LLC | 28,103 | $234.0K | 0.00% | −408−1.4% | Reduced |
| Quantbot Technologies LP | 28,192 | $234.0K | 0.02% | +28,192 | New |
| Voya Investment Management LLC | 27,589 | $230.0K | 0.00% | +253+0.9% | Added |
| Jump Financial, LLC | 26,488 | $221.0K | 0.01% | +26,488 | New |